 // variables
 $background-color: #EDEDED;
 $white: #fff;
 $link-color:#576B95;
 $link-item: #003399;
 $chat-green: #87CE57;
 $font-color: #797979;
 $wechat-green: #07C062;
 $border-color: rgba(0, 0, 0, 0.1);